1 | Leaves rounded or only very shortly acuminate at the apex. Flowers with a single subtending bract; male flowers with 2 stamens. Endocarp smooth. |
1' | Leaves distinctly long-acuminate at the apex. Flowers with 3 subtending bracts; male flowers with 1 stamen. Endocarp warty-papillate |
2 | Leaves subsessile, the petiole short and thick, about 2 mm long; blades narrowed to rounded or subcordate at base |
2' | Leaves distinctly petiolate, the petioles slender, 0.4-1.5 cm long; blades cuneate at base. |
3 | Fruits 1.2-2 mm long, with thinner more finely wrinkled exocarp (dry material), in more lax terminal and axillary inflorescences, the distances between the fruits greater and inflorescence-branches more slender |
3' | Fruits 2-3 mm long, with thicker more coarsely wrinkled exocarp, in lax to usually very densely congest-ed terminal inflorescences, the distances between the fruits shorter and inflorescence-branches usually much stouter |